<template>
  <div>
  
      <el-form
        :inline="true"
        class="demo-form-inline"
        :model="cForm"
        :disabled="!isShowList"
      >
        <el-form-item label="一级分类" >
          <el-select
            value=""
            placeholder="请选择"
            v-model="cForm.category1Id"
            @change="handlerCategory1"
          >
            <el-option
              :label="c1.name"
              :value="c1.id"
              v-for="(c1, index) in category1List"
              :key="c1.id"
            ></el-option>
          </el-select>
        </el-form-item>

        <el-form-item label="二级分类">
          <el-select
            value=""
            placeholder="请选择"
            v-model="cForm.category2Id"
            @change="handlerCategory2"
          >
            <el-option
              :label="c2.name"
              :value="c2.id"
              v-for="(c2, index) in category2List"
              :key="c2.id"
            ></el-option>
          </el-select>
        </el-form-item>

        <el-form-item label="三级分类">
          <el-select
            value=""
            placeholder="请选择"
            v-model="cForm.category3Id"
            @change="handlerCategory3"
          >
            <el-option
              :label="c3.name"
              :value="c3.id"
              v-for="(c3, index) in category3List"
              :key="c3.id"
            ></el-option>
          </el-select>
        </el-form-item>
      </el-form>
   
  </div>
</template>

<script>
export default {
  name: "CategorySelector",
  props: ["isShowList"],
  data() {
    return {
      category1List: [],
      category2List: [],
      category3List: [],
      cForm: {
        category1Id: "",
        category2Id: "",
        category3Id: "",
      },
    };
  },
  mounted() {
    this.getCategory1List();
  },
  methods: {
    //一级列表渲染
    async getCategory1List() {
      try {
        const result = await this.$API.category.getCategory1();
        if (result.code === 20000 || result.code === 200) {
          this.category1List = result.data;
        } else {
          this.$message.error("获取一级分类列表失败");
        }
      } catch (error) {
        this.$message.error("请求获取一级分类列表失败");
      }
    },
    //二级列表渲染
    async handlerCategory1(category1Id) {
      this.category2List = [];
      this.category3List = [];
      this.cForm.category2Id = "";
      this.cForm.category3Id = "";

      this.$emit("changeCategory", { categoryId: category1Id, level: 1 });

      try {
        const result = await this.$API.category.getCategory2(category1Id);
        if (result.code === 20000 || result.code === 200) {
          this.category2List = result.data;
        } else {
          this.$message.error("获取二级分类列表失败");
        }
      } catch (error) {
        this.$message.error("请求获取二级分类列表失败");
      }
    },
    //三级列表渲染
    async handlerCategory2(category2Id) {
      this.category3List = [];
      this.cForm.category3Id = "";
      this.$emit("changeCategory", { categoryId: category2Id, level: 2 });
      try {
        const result = await this.$API.category.getCategory3(category2Id);
        if (result.code === 20000 || result.code === 200) {
          this.category3List = result.data;
        } else {
          this.$message.error("获取三级分类列表失败");
        }
      } catch (error) {
        this.$message.error("请求获取三级分类列表失败");
      }
    },

    // 传值给父组件
    handlerCategory3(category3Id) {
      this.$emit("changeCategory", { categoryId: category3Id, level: 3 });
    },
  },
};
</script>

<style>
</style>